package com.dx.result;
import com.dx.constants.Constants;
import com.dx.constants.ResultConstant;
import lombok.*;

import java.io.Serializable;

@AllArgsConstructor
@NoArgsConstructor
@Data
public class R<T> implements Serializable {
    private int code;
    private String msg;
    private T data;
    private static final long serialVersionUID = 1L;
    /** 成功 */
    public static final int SUCCESS = Constants.SUCCESS;
    /** 失败 */
    public static final int FAIL = Constants.FAIL;

    public static <T> R<T> success(){
        return restResult(null, SUCCESS, null);
    }
    public static <T> R<T> success(String msg){
        return restResult(null, SUCCESS, msg);
    }
    public static <T> R<T> success(T data){
       return restResult(data, SUCCESS, null);
    }

    public static <T> R<T> success(String msg,T data){
       return restResult(data, SUCCESS, msg);
    }
    public static <T> R<T> fail(){
        return restResult(null, FAIL, null);
    }
    public static <T> R<T> fail(String msg){
        return restResult(null, FAIL, msg);
    }


    public static R<?> fail(int code, String msg) {
        return restResult(null, code, msg);
    }
    public static <T>R<?> fail(int code, String msg, T data){
        return restResult(data, code, msg);
    }

    private static <T> R<T> restResult(T data, int code, String msg)
    {
        R<T> apiResult = new R<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }
}

